\ g F. Pax u. R. Knulh. — Priraulaceae. 



Prim. 4 851; Reichb. Icon. Fl. germ. XVII. (1855); Regel in Acta hört, petropol. III. 

 (1874) 127; Renlh. et Hook. f. Gen. II. (1873) 629; Kerner in Osten-, bot. Zeitsrhr. 

 XXV. (1875) '7; Hook. f. Fl. Brit. Ind. III. (1882) 482; Pax in Engler's Bot. Jahrb. 

 X. (1889)75; in Engler u. Prantl, Pflzfam. IV. 1.(1889) 105; Widmer, europ. Arten 

 Primula (1891); Kusnetzow, Fl. cauc. critic. IV. (1901) 49. — Aurieula wrsi Tourn. 

 Instit. (1719) 120. — Pr. veris Tourn. Instit. (1719) 123. — Aleuritia Spach, Hist. 

 nat. veg. Phaner. IX. (4 840) 360. — Primula Sect. Typoprimula O. Ktze. in Post et 

 Kuntze, Lexicon (1904) 459. 



Calyx tubulosus, campanulatus vel infundibuliformis, saepe inflatus, persistens; lobi 

 imbricati. Corolla hypogyna, infundibuliformis vel hypocraterimorpha, rarius subcam- 

 panulata; tubus elongatus; faux ampliata, nuda vel ± annulata; lobi patentes vi rarini 

 erecti, integri vel bilobi, imbricati. Stamina tubo vel fauci afflxa, inclusa; lilamenta 

 brevissima; antherae obtusae. Ovarium globosum vel ovoideum, hinc inde apice in- 

 crassatum; Stylus filiformis; stigma capitatum. Ovula numerosa, placentae centrali 

 liberae, saepius stipitatae inserta vel immersa, hemi-anatropa. Capsula globosa vel 

 cylindrica, polysperma, valvis 5 — 10 dehiscens. Semina zh peltata, dorso subplanius- 

 cula, ventre convexa. Embryo transversus. — Herbae rhizomate perennantes, rarius 

 monocarpicae. Folia omnia basalia, indivisa vel lobata, petiolata vel sessilia. Flores 

 majores vel mediocres, rarius minores, dimorpho-heterostyli, ebracteolati, in scapo um- 

 bellati vel capitati vel in verticillos superpositos dispositi, rarius racemosi vel spicati, 

 rarissime in scapo solitarii; bracteae involucrales foliaceae vel angustae, passim basin 

 versus zh saccato-productae. 



Species ad 210, regionis temperatae borealis, subarcticae et arcticae incolae, in- 

 primis locis montanis et subalpinis nascentes. Cfr. chartam I. 



Conspectus sectionum generis Primulae. 



A. Folia juvenilia involutiva. 



a. Folia membranacea. Flores in verticillos superpositos dis- 

 positi. Bracteae involucrales foliaceae Sect. 4. Floribundae Pai 



b. Folia ± coriacea. Flores umbellati. Bracteae involucrales 



saepissime non foliaceae Sect. 2 1 . Aurieula Pax 



B. Folia juvenilia revolutiva. 



a. Folia lobata, distinete petiolata, lobi dentati vel crenati . .Sect. 1. Sinenses l';i\ 



b. Folia non vel vix distinete lobata. 



a. Calyx foliaceus, post anthesin valde aecrescens. Sect. 3. Monocarpicae Franch. 

 ti. Calyx post anthesin vix vel non aecrescens. 



I. Species stoloniferae Sect. 12. Minutissimao Pax 



II. Species astolonae. 



1. Flos in scapo ebracteato solitarius. Sect. 1 5. Omphalogramma Fnui« h. 



2. Flos in scapo bracteato solitarius vel Baepiui in- 

 florescentia multiflora. 



* Folia pilosa vel pubescentia*). 

 f Flores distinete pedicellati. 



O Folia coriacea vel subcoriacea, valde rugosa. 

 A Parvifoliae. Folia 8 — 10 cm longa, 



saepius minora Sert. t». Bullatae Päd 



/\/S, Macrophyllae. Folia ultra 10 — 15 OD 



longa, saepius majora . Sect. 7. Carolinella (Hemd. Pai 

 OO F°l* a membranacea, rugosa. 



/\ Folia distinete petiolata, basi cordata. Sect. 2. Fallaces 

 ^/\ Folia in petioluin sinsim attenuata, 



rarissime basi cordata Sc« t. 8. Vernalc- 



*) Cfr. species nonnullas Sect. Carolin» Unr\ 



